216735341 has 2 divisors, whose sum is σ = 216735342. Its totient is φ = 216735340.

The previous prime is 216735331. The next prime is 216735347. The reversal of 216735341 is 143537612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 85174441 = 11470^2 + 9229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216735341 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 216735298 and 216735307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216735347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108367670 + 108367671.

It is an arithmetic number, because the mean of its divisors is an integer number (108367671).

Almost surely, 2^216735341 is an apocalyptic number.

It is an amenable number.

216735341 is a deficient number, since it is larger than the sum of its proper divisors (1).

216735341 is an equidigital number, since it uses as much as digits as its factorization.

216735341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 216735341 is about 14721.9340101768. The cubic root of 216735341 is about 600.6801001114.

The spelling of 216735341 in words is "two hundred sixteen million, seven hundred thirty-five thousand, three hundred forty-one".